wireplanner/internal/db/db.go

44 lines
798 B
Go

package db
import (
"database/sql"
_ "embed"
"fmt"
_ "github.com/mattn/go-sqlite3"
)
//go:embed schema.sql
var schemaSQL string
type Store struct {
DB *sql.DB
}
func Init(path string) (*Store, error) {
db, err := sql.Open("sqlite3", path+"?_journal_mode=WAL&_foreign_keys=on")
if err != nil {
return nil, fmt.Errorf("open db: %w", err)
}
db.SetMaxOpenConns(5)
if _, err := db.Exec(schemaSQL); err != nil {
db.Close()
return nil, fmt.Errorf("run schema: %w", err)
}
db.Exec("ALTER TABLE device_models ADD COLUMN is_power_strip BOOLEAN NOT NULL DEFAULT FALSE")
if _, err := db.Exec("PRAGMA journal_mode=WAL"); err != nil {
db.Close()
return nil, fmt.Errorf("wal mode: %w", err)
}
return &Store{DB: db}, nil
}
func (s *Store) Close() error {
return s.DB.Close()
}